a frog in your throat
US /ə frɑɡ ɪn jʊər θroʊt/
UK /ə frɑɡ ɪn jʊər θroʊt/

1.
嗓子哑了, 喉咙不适
a temporary hoarseness or difficulty speaking, often due to a dry throat or mucus
:
•
I have a frog in my throat this morning, so I can barely speak.
我今天早上嗓子哑了,所以几乎说不出话来。
•
He cleared his throat, as if he had a frog in his throat, before starting his speech.
他清了清嗓子,好像嗓子哑了,然后才开始演讲。